Improve Android connection and preview UI testing

移动端相关内容/安卓app/如何安卓测试/run_ble_test.py

@@ -133,9 +133,13 @@ def main():
         if layout_original:
             root("am force-stop org.qimiaoscreen.controller")
             root("wm density " + layout_density)
+            restored_density = re.search(r"Override density: (\d+)", root("wm density"))
+            restored_density = restored_density[1] if restored_density else "reset"
+            if restored_density != layout_density: raise RuntimeError("Layout density restore failed")
             for key, value in layout_original.items():
                 root("settings delete system " + key if value == "null" else "settings put system " + key + " " + value)
                 if root("settings get system " + key) != value: raise RuntimeError("Layout settings restore failed")
+            print("Layout settings restored and verified", flush=True)
         if args.test == "layout":
             adb("shell", "rm", "-f", "/data/local/tmp/qms-authorized-root.sh", quiet=True)
         if args.toggle_bluetooth: